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href="/frontend/css/%E5%BC%B9%E6%80%A7%E5%B8%83%E5%B1%80.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>弹性布局</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/frontend/css/%E6%95%B0%E6%8D%AE%E6%A0%B7%E5%BC%8F.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>数据样式</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/frontend/css/%E6%96%87%E6%9C%AC.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>文本</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/frontend/css/%E6%A0%85%E6%A0%BC%E7%B3%BB%E7%BB%9F.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>栅格系统</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/frontend/css/%E6%B5%AE%E5%8A%A8%E5%B8%83%E5%B1%80.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>浮动布局</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/frontend/css/%E7%9B%92%E5%AD%90%E6%A8%A1%E5%9E%8B.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>盒子模型</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/frontend/css/%E8%83%8C%E6%99%AF.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>背景</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-b7550ba0 data-v-b7550ba0><div class="item" data-v-b7550ba0><div class="indicator" data-v-b7550ba0></div><a class="VPLink link link" href="/frontend/css/%E9%80%89%E6%8B%A9%E5%99%A8.html" data-v-b7550ba0><!--[--><p class="text" data-v-b7550ba0>选择器</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-5d98c3a5 data-v-1428d186><div class="VPDoc has-sidebar has-aside" data-v-1428d186 data-v-39a288b8><!--[--><!--]--><div class="container" data-v-39a288b8><div class="aside" data-v-39a288b8><div class="aside-curtain" data-v-39a288b8></div><div class="aside-container" data-v-39a288b8><div class="aside-content" data-v-39a288b8><div class="VPDocAside" data-v-39a288b8 data-v-3f215769><!--[--><!--]--><!--[--><!--]--><nav aria-labelledby="doc-outline-aria-label" class="VPDocAsideOutline" data-v-3f215769 data-v-a5bbad30><div class="content" data-v-a5bbad30><div class="outline-marker" data-v-a5bbad30></div><div aria-level="2" class="outline-title" id="doc-outline-aria-label" role="heading" data-v-a5bbad30>目录</div><ul class="VPDocOutlineItem root" data-v-a5bbad30 data-v-b933a997><!--[--><!--]--></ul></div></nav><!--[--><!--]--><div class="spacer" data-v-3f215769></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-39a288b8><div class="content-container" data-v-39a288b8><!--[--><!--]--><main class="main" data-v-39a288b8><div style="position:relative;" class="vp-doc _frontend_css_%E7%9B%92%E5%AD%90%E6%A8%A1%E5%9E%8B" data-v-39a288b8><div><h1 id="盒子模型" tabindex="-1">盒子模型 <a class="header-anchor" href="#盒子模型" aria-label="Permalink to &quot;盒子模型&quot;">​</a></h1><p><img src="https://gitlab.com/loveagri/pic/-/raw/main/2024-10-30/21/48464_box-model.png" alt="box-model" loading="lazy"></p><div class="warning custom-block"><p class="custom-block-title">顺序定义</p><p>在盒子模型中，无论是 margin、padding：</p><p>如果为 1 个值，同时设置四个边；</p><p>如果为 2 个值，设置依次为上下、右左；</p><p>如果为 3 个值，设置依次为上、右左、下；</p><p>如果为 4 个值，设置顺序依次为:上、右、下、左。</p><p>border 较特殊，需单独设置其四个边的宽度及样式</p></div><h2 id="边距" tabindex="-1">边距 <a class="header-anchor" href="#边距" aria-label="Permalink to &quot;边距&quot;">​</a></h2><h3 id="外边距" tabindex="-1">外边距 <a class="header-anchor" href="#外边距" aria-label="Permalink to &quot;外边距&quot;">​</a></h3><h4 id="居中设置" tabindex="-1">居中设置 <a class="header-anchor" href="#居中设置" aria-label="Permalink to &quot;居中设置&quot;">​</a></h4><p><code>margin</code> 的默认值为<code>0</code>，设置 auto 后，元素会自动居中。</p><h4 id="边距合并" tabindex="-1">边距合并 <a class="header-anchor" href="#边距合并" aria-label="Permalink to &quot;边距合并&quot;">​</a></h4><p>相邻元素的纵向外边距会进行合并。纵向合并的边距去边距最大的边距。如上边元素底部外边距是 20px，下边元素顶部外边距是 30px，则取下边元素的上外边距，而不是上下元素合并的 50px 外边距</p><p><img src="https://gitlab.com/loveagri/pic/-/raw/main/2024-10-30/23/88844_image-20241030231641106.png" alt="image-20241030231641106" loading="lazy"></p><p><img src="https://gitlab.com/loveagri/pic/-/raw/main/2024-10-30/23/78336_image-20241030231710259.png" alt="image-20241030231710259" loading="lazy"></p><h3 id="内边距" tabindex="-1">内边距 <a class="header-anchor" href="#内边距" aria-label="Permalink to &quot;内边距&quot;">​</a></h3><p>padding</p><h3 id="box-sizing" tabindex="-1">box-sizing <a class="header-anchor" href="#box-sizing" aria-label="Permalink to &quot;box-sizing&quot;">​</a></h3><p>宽度与高度包括内边距与边框。</p><p>content-box:</p><div class="language-css line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">css</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#D19A66;">.down</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">	box-sizing: </span><span style="color:#D19A66;">content-box</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	border: </span><span style="color:#D19A66;">1</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> solid</span><span style="color:#D19A66;"> red</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	height: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	width: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	margin: </span><span style="color:#D19A66;">30</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> 6</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> 10</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p><img src="https://gitlab.com/loveagri/pic/-/raw/main/2024-10-31/10/32153_image-20241031104943727.png" alt="image-20241031104943727" loading="lazy"></p><p><img src="https://gitlab.com/loveagri/pic/-/raw/main/2024-10-31/10/85524_content-box.png" alt="content-box" loading="lazy"></p><p>border-box:</p><div class="language-css line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">css</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#D19A66;">.down</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">	box-sizing: </span><span style="color:#D19A66;">border-box</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	border: </span><span style="color:#D19A66;">1</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> solid</span><span style="color:#D19A66;"> red</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	height: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	width: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	margin: </span><span style="color:#D19A66;">30</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> 6</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> 10</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">}</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><p><img src="https://gitlab.com/loveagri/pic/-/raw/main/2024-10-31/10/24750_image-20241031105050491.png" alt="image-20241031105050491" loading="lazy"></p><p><img src="https://gitlab.com/loveagri/pic/-/raw/main/2024-10-31/10/32470_border-box.drawio.png" alt="border-box.drawio" loading="lazy"></p><h2 id="边框" tabindex="-1">边框 <a class="header-anchor" href="#边框" aria-label="Permalink to &quot;边框&quot;">​</a></h2><p><code>border-style</code>用于设置边框样式。<code>border-width</code>用于设置宽度，<code>border-color</code>用于设置颜色。简写使用<code>border</code>。<code>border-radius</code>定义圆角。</p><div class="language-html line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">html</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#D19A66;">	.down</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		border-radius: </span><span style="color:#D19A66;">50</span><span style="color:#E06C75;">%</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		width: </span><span style="color:#D19A66;">112</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		border-bottom: </span><span style="color:#D19A66;">solid</span><span style="color:#D19A66;"> 2</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> red</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">p</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;down&quot;</span><span style="color:#ABB2BF;">&gt;底边圆角就是这样&lt;/</span><span style="color:#E06C75;">p</span><span style="color:#ABB2BF;">&gt;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p class="down"> 底边圆角就是这样</p><h2 id="轮廓线" tabindex="-1">轮廓线 <a class="header-anchor" href="#轮廓线" aria-label="Permalink to &quot;轮廓线&quot;">​</a></h2><p>表单元素在获取焦点时产生，并且轮廓线不占用空间。可以使用伪类 <code>:focus</code> 定义样式。</p><ul><li>轮廓线显示在边框外面</li><li>轮廓线不影响页面布局</li><li>轮廓线是和外边框重合的，也就是说和 margin 可以重叠。</li><li>表单默认具有轮廓线，但有时并不好看，使用以下样式规则去除，即<code>outline:none</code>。</li></ul><div class="language-html line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">html</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#D19A66;">	.love-outline</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		height: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		width: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		margin: </span><span style="color:#D19A66;">15</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		border: </span><span style="color:#D19A66;">2</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> solid</span><span style="color:#D19A66;"> red</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		outline: </span><span style="color:#D19A66;">15</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> solid</span><span style="color:#D19A66;"> blue</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">p</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;love-outline&quot;</span><span style="color:#ABB2BF;">&gt;轮廓线&lt;/</span><span style="color:#E06C75;">p</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">hr</span><span style="color:#ABB2BF;"> /&gt;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><p class="love-outline">轮廓线</p><hr><h3 id="display" tabindex="-1">display <a class="header-anchor" href="#display" aria-label="Permalink to &quot;display&quot;">​</a></h3><p>使用 <code>display</code> 控制元素的显示机制。</p><table tabindex="0"><thead><tr><th style="text-align:left;">选项</th><th style="text-align:left;">说明</th></tr></thead><tbody><tr><td style="text-align:left;">none</td><td style="text-align:left;">隐藏元素</td></tr><tr><td style="text-align:left;">block</td><td style="text-align:left;">显示为块元素</td></tr><tr><td style="text-align:left;">inline</td><td style="text-align:left;">显示为行元素，不能设置宽/高</td></tr><tr><td style="text-align:left;">inline-block</td><td style="text-align:left;">行级块元素，允许设置宽/高</td></tr></tbody></table><h3 id="visibility" tabindex="-1">visibility <a class="header-anchor" href="#visibility" aria-label="Permalink to &quot;visibility&quot;">​</a></h3><p>控制元素的显示隐藏，在隐藏后空间位也保留。</p><div class="language-html line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">html</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#E06C75;">	article</span><span style="color:#D19A66;">.love-show-hidden</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		padding: </span><span style="color:#D19A66;">30</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		border: </span><span style="color:#D19A66;">solid</span><span style="color:#D19A66;"> 2</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> red</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		width: </span><span style="color:#D19A66;">200</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#E06C75;">	article</span><span style="color:#D19A66;">.love-show-hidden</span><span style="color:#E06C75;"> div</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		width: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		height: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		border: </span><span style="color:#D19A66;">solid</span><span style="color:#D19A66;"> 2</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> red</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		padding: </span><span style="color:#D19A66;">20</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#E06C75;">	article</span><span style="color:#D19A66;">.love-show-hidden</span><span style="color:#E06C75;"> div</span><span style="color:#56B6C2;">:nth-of-type</span><span style="color:#C678DD;">(</span><span style="color:#D19A66;">1</span><span style="color:#C678DD;">)</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		visibility: </span><span style="color:#D19A66;">hidden</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">article</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;love-show-hidden&quot;</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">	&lt;</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;空间位&lt;/</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">	&lt;</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;显示元素&lt;/</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">article</span><span style="color:#ABB2BF;">&gt;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br></div></div><article class="love-show-hidden"><div>空间位</div><div>显示元素</div></article><h2 id="溢出控制" tabindex="-1">溢出控制 <a class="header-anchor" href="#溢出控制" aria-label="Permalink to &quot;溢出控制&quot;">​</a></h2><h3 id="隐藏控制" tabindex="-1">隐藏控制 <a class="header-anchor" href="#隐藏控制" aria-label="Permalink to &quot;隐藏控制&quot;">​</a></h3><h4 id="overflow" tabindex="-1">overflow <a class="header-anchor" href="#overflow" aria-label="Permalink to &quot;overflow&quot;">​</a></h4><table tabindex="0"><thead><tr><th style="text-align:left;">选项</th><th style="text-align:left;">说明</th></tr></thead><tbody><tr><td style="text-align:left;">hidden</td><td style="text-align:left;">溢出内容隐藏</td></tr><tr><td style="text-align:left;">scroll</td><td style="text-align:left;">显示滚动条（有些浏览器会一直显示，有些在滚动时显示）</td></tr><tr><td style="text-align:left;">auto</td><td style="text-align:left;">根据内容自动处理滚动条</td></tr></tbody></table><p>文本溢出省略号控制：</p><div class="language-html line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">html</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#D19A66;">	.overflow-ellipsis</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		width: </span><span style="color:#D19A66;">400</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		height: </span><span style="color:#D19A66;">100</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		border: </span><span style="color:#D19A66;">solid</span><span style="color:#D19A66;"> 2</span><span style="color:#E06C75;">px</span><span style="color:#D19A66;"> #ddd</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		padding: </span><span style="color:#D19A66;">20</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		overflow: </span><span style="color:#D19A66;">hidden</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		text-overflow: </span><span style="color:#D19A66;">ellipsis</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		white-space: </span><span style="color:#D19A66;">nowrap</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">p</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;overflow-ellipsis&quot;</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">	对担负推进改革重要职责的领导干部，总书记提出明确要求：“要增强政治责任感、历史使命感，以攻坚克难、迎难而上的政治勇气，直面矛盾问题不回避，铲除顽瘴痼疾不含糊，应对风险挑战不退缩，奋力打开改革发展新天地。”</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">p</span><span style="color:#ABB2BF;">&gt;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br></div></div><p class="overflow-ellipsis"> 对担负推进改革重要职责的领导干部，总书记提出明确要求：“要增强政治责任感、历史使命感，以攻坚克难、迎难而上的政治勇气，直面矛盾问题不回避，铲除顽瘴痼疾不含糊，应对风险挑战不退缩，奋力打开改革发展新天地。” </p><h2 id="尺寸" tabindex="-1">尺寸 <a class="header-anchor" href="#尺寸" aria-label="Permalink to &quot;尺寸&quot;">​</a></h2><p>可以使用多种方式为元素设置宽、高尺寸。</p><table tabindex="0"><thead><tr><th style="text-align:left;">选项</th><th style="text-align:left;">说明</th></tr></thead><tbody><tr><td style="text-align:left;">width</td><td style="text-align:left;">宽度</td></tr><tr><td style="text-align:left;">height</td><td style="text-align:left;">高度</td></tr><tr><td style="text-align:left;">min-width</td><td style="text-align:left;">最小宽度</td></tr><tr><td style="text-align:left;">min-height</td><td style="text-align:left;">最小高度</td></tr><tr><td style="text-align:left;">max-width</td><td style="text-align:left;">最大宽度</td></tr><tr><td style="text-align:left;">max-height</td><td style="text-align:left;">最大高度</td></tr><tr><td style="text-align:left;">fill-available</td><td style="text-align:left;">撑满可用的空间</td></tr><tr><td style="text-align:left;">fit-content</td><td style="text-align:left;">根据内容适应尺寸</td></tr></tbody></table><h3 id="min-max" tabindex="-1">min&amp;max <a class="header-anchor" href="#min-max" aria-label="Permalink to &quot;min&amp;max&quot;">​</a></h3><p>主要用于处理比例设置</p><h3 id="fit-content" tabindex="-1">fit-content <a class="header-anchor" href="#fit-content" aria-label="Permalink to &quot;fit-content&quot;">​</a></h3><p>下面是根据内容自动适应宽度，让元素居中显示的效果。</p><div class="language-html line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">html</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#D19A66;">	.fit-content-main</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		background: </span><span style="color:#D19A66;">#9b59b6</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		height: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		padding: </span><span style="color:#D19A66;">20</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		box-sizing: </span><span style="color:#D19A66;">border-box</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#D19A66;">	.fit-content</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		background: </span><span style="color:#D19A66;">#e67e22</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		margin: </span><span style="color:#D19A66;">auto</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		width: </span><span style="color:#D19A66;">fit-content</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		height: </span><span style="color:#D19A66;">100</span><span style="color:#E06C75;">%</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">div</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;fit-content-main&quot;</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">	&lt;</span><span style="color:#E06C75;">div</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;fit-content&quot;</span><span style="color:#ABB2BF;">&gt;自适应内容显示宽度&lt;/</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br></div></div><div class="fit-content-main"><div class="fit-content">自适应内容显示宽度</div></div><h3 id="max-content" tabindex="-1">max-content <a class="header-anchor" href="#max-content" aria-label="Permalink to &quot;max-content&quot;">​</a></h3><p>使用<code>max-content</code> 将容器尺寸按最大元素宽度设置。</p><div class="language-html line-numbers-mode"><button title="Copy Code" class="copy"></button><span class="lang">html</span><pre class="shiki one-dark-pro vp-code" style="background-color:#282c34;color:#abb2bf;" tabindex="0"><code><span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#D19A66;">	.content-main</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		background: </span><span style="color:#D19A66;">#9b59b6</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		margin: </span><span style="color:#D19A66;">auto</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		width: </span><span style="color:#D19A66;">max-content</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#D19A66;">	.max-content-long</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		background: </span><span style="color:#D19A66;">orange</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		margin: </span><span style="color:#D19A66;">auto</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		padding: </span><span style="color:#D19A66;">10</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#D19A66;">	.min-content-short</span><span style="color:#ABB2BF;"> {</span></span>
<span class="line"><span style="color:#ABB2BF;">		background: </span><span style="color:#D19A66;">orange</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		margin-top: </span><span style="color:#D19A66;">20</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">		padding: </span><span style="color:#D19A66;">10</span><span style="color:#E06C75;">px</span><span style="color:#ABB2BF;">;</span></span>
<span class="line"><span style="color:#ABB2BF;">	}</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">style</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#ABB2BF;">&lt;</span><span style="color:#E06C75;">div</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;content-main&quot;</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">	&lt;</span><span style="color:#E06C75;">div</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;max-content-long&quot;</span><span style="color:#ABB2BF;">&gt;long content show .....&lt;/</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">	&lt;</span><span style="color:#E06C75;">div</span><span style="color:#D19A66;"> class</span><span style="color:#ABB2BF;">=</span><span style="color:#98C379;">&quot;min-content-short&quot;</span><span style="color:#ABB2BF;">&gt;short content&lt;/</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;</span></span>
<span class="line"><span style="color:#ABB2BF;">&lt;/</span><span style="color:#E06C75;">div</span><span style="color:#ABB2BF;">&gt;</span></span></code></pre><div class="line-numbers-wrapper" aria-hidden="true"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br></div></div><div class="content-main"><div class="max-content-long">long content show .....</div><div class="min-content-short">short content</div></div><h3 id="min-content" tabindex="-1">min-content <a class="header-anchor" href="#min-content" aria-label="Permalink to &quot;min-content&quot;">​</a></h3><p>容器尺寸按子元素最大的单个单词的宽度设置，原理同上。</p></div></div></main><footer class="VPDocFooter" data-v-39a288b8 data-v-e257564d><!--[--><!--]--><div class="edit-info" data-v-e257564d><!----><div class="last-updated" data-v-e257564d><p class="VPLastUpdated" data-v-e257564d data-v-e98dd255>最后更新: <time datetime="2024-12-30T14:20:32.000Z" data-v-e98dd255></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-e257564d><span class="visually-hidden" id="doc-footer-aria-label" data-v-e257564d>Pager</span><div class="pager" data-v-e257564d><a class="VPLink link pager-link prev" href="/frontend/css/%E6%B5%AE%E5%8A%A8%E5%B8%83%E5%B1%80.html" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>上一篇</span><span class="title" data-v-e257564d>浮动布局</span><!--]--></a></div><div class="pager" data-v-e257564d><a class="VPLink link pager-link next" href="/frontend/css/%E8%83%8C%E6%99%AF.html" data-v-e257564d><!--[--><span class="desc" data-v-e257564d>下一篇</span><span class="title" data-v-e257564d>背景</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><!----><!--[--><!--]--></div></div>
    
    
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